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Eight vision changes that make it harder for seniors to drive

85% of information used in driving comes through the eyes. Even with glasses, there are many changes that happen to our eyes that can affect our driving, including:

1. It’s Harder to Quickly Change Focus

This makes it harder to shift your attention from the dashboard to the traffic signs.

2. Your Depth Perception Diminishes

This makes it harder to tell how fast cars are moving and what the distance is between objects you are trying to avoid!

3. It’s Harder to See Color Contrast

This will affect your ability to see objects lying in the road, faded highway lane makers or pedestrians in dark clothing at night.

4. Your Reaction Time Slows

This makes it harder to avoid obstacles in the road, like a mattress that has fallen off a truck. It also makes it harder to avoid cars that move into your lane suddenly!

5. It Takes Longer To Recover From Glare

Compared to a 16-year old, a 55 year old takes eight times longer to recover from glare. Glare can momentarily blind a driver and it makes it very hard to see road signs.

6. Your Peripheral Vision Narrows

That’s why many older people report that all of a sudden, a car whizzed past or a vehicle from another lane pulled in front of them.

7. It Takes Longer to Adapt to Changes from Dark to Light

This makes it harder to adjust when entering or leaving a tunnel.

And Sometimes...

8. Your Field of View Narrows

In some older adults, the area they can see and cognitively process becomes limited to what is directly in front of their eyes. This increases the chances of a side collision.

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